Mining Incidents

1011 Queen Creek #2: 8 MSHA citations Metal/Non-Metal

Controlled by Arcosa, Inc
Queen Creek, Pinal County, AZ  ·  Abandoned
MSHA Mine ID: 0203402

1011 Queen Creek #2 has $2K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
4
Years on record
2019–2021
Latest incident
Nov 2021
Compliance record
MSHA citations since 2020
8
citations
3
significant & substantial
$1,866
proposed penalties
$1,866
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2019
10
inspections on record
88
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 88 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

1011 Queen Creek #2 has $2K in proposed MSHA penalties and $0 outstanding across 1 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
8 assessments are final orders; 1 contested dockets.
Of $448 in penalties contested before the Commission, $448 was upheld in final decisions.
As of the most recent assessment on 2022-08-24.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
37.5%
significant & substantial
0.0%
high negligence or reckless
37.5%
reasonably likely or greater
75.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 12.5% low, 87.5% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
1 citations taken to the federal commission · 13% of citations on record
  • Settled 1 · 100%
100%
S&S designation survived the contest
Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 1 decided S&S contests · industry: 79%
0%
Penalty reduction in decided contests
$448 proposed, $448 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2020-05-06.
Contested penalties
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
WEST 2020-0269 Settlement Paez 2020 $448 → $448
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2021-06-16, 5 years ago
0%
of limit-tested samples over the exposure limit
6
samples
2
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz3
  • Respirable dust, <.1mg3
Show the individual readings (6)
Date Contaminant Concentration Limit Conc / limit Occupation
2021-06-16 Quartz, respirable, >1% Qtz 0.16 Crusher Oper/Worker
2021-06-16 Respirable dust, <.1mg 0 Front-end Loader Operator
2020-12-03 Quartz, respirable, >1% Qtz 0.16 0.35 0.46 Crusher Oper/Worker
2020-12-03 Quartz, respirable, >1% Qtz 0.21 0.71 0.30 Front-end Loader Operator
2019-09-24 Respirable dust, <.1mg 0 Crusher Oper/Worker
2019-09-24 Respirable dust, <.1mg 0 Front-end Loader Operator
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
  1. Southwest Rock Products 2018 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2022 4
2021 5
2020 4
2019 3
2018 4
Source: MSHA quarterly employment and production, updated weekly.

1011 Queen Creek #2 sits in Pinal County, Arizona, where the Census mining category is 0.8% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Pinal County, Arizona · Population 449,219
0.8%
Mining share of county employment
$77,588
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2022 Q4 270 0 0 0.0
2022 Q3 1,572 4 1 2544.5
2022 Q2 1,392 0 0 0.0
2022 Q1 1,576 0 0 0.0
2021 Q4 1,752 1 0 570.8
2021 Q3 1,072 0 0 0.0
2021 Q2 1,678 0 0 0.0
2021 Q1 2,436 0 0 0.0
Show 10 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2020 Q4 2,099 2 1 952.8
2020 Q3 1,178 0 0 0.0
2020 Q2 1,778 0 0 0.0
2020 Q1 2,119 1 1 471.9
2019 Q4 1,112 0 0 0.0
2019 Q3 1,093 0 0 0.0
2019 Q2 963 0 0 0.0
2019 Q1 1,588 0 0 0.0
2018 Q4 529 0 0 0.0
2018 Q3 1,633 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

4 on file

2021 · 1 incident

November 9, 2021 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)
Southwest Rock Products · Caught in, under or between a moving and a stationary object

Employee was assisting with cone liner change. Employee was tasked with holding wrench while other employee struck it with a hammer. As the employee struck the wrench, the wrench bent downward, smashing the injured employee's finger between the wrench and the cone.

2020 · 1 incident

January 20, 2020 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)
Southwest Rock Products · Struck by flying object

The miner was using a bar to clear out the screen chute when a large rock struck the bar and caused it to hit the miner in the face. Lost time accident as of 1/23/2020.

2019 · 2 incidents

July 1, 2019 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker DISORDERS (PHYSICAL AGENTS)
Southwest Rock Products · Contact with heat

The employee worked EE's full shift, went home and began to feel nauseous and generally unwell. EE went to the emergency room and was diagnosed with heat exhaustion.

March 20, 2019 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Southwest Rock Products · Struck by falling object

The injured employee and another employee were manually moving a screen. The non-injured employee dropped the end of the screen, causing the screen to fall and squish the injured employee's finger.